Simplify the expression.2(-3)2 - 70
A. -76
B. -52
C. -88
D. 52
Answer: B
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Provide an appropriate response.It took 28 seconds for the temperature to rise from 5° F to 135° F when a thermometer was taken from a freezer and placed in boiling water. Although we do not have detailed knowledge about the rate of temperature increase, we can know for certain that, at some time, the temperature was increasing at a rate of 
° F/sec. Explain.
What will be an ideal response?
Simplify and write the answer using scientific notation. Use the correct number of significant digits.
A. 3.5 × 105 B. 3.5 × 10-17 C. 5.8 × 10-6 D. 3.5 × 10-7
Write the equation in standard form of the line satisfying the given conditions.Through (4, 5); m = - 
A. 5x + 8y = 60 B. 5x - 8y = 60 C. 8x + 5y = -60 D. 5x + 8y = -60
A music store sold $4,326 of pop CDs. If that amount is 21% of their total sales, what were their total sales?
a. $21,200 b. $20,600 c. $24,100 d. $26,300 e. $28,500